Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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HomeKit 16.2 architecture update killed MyQ home bridge

I have a Chamberlain MyQ home bridge that was successfully controlling our garage door opener (equipped with an 888LM MyQ control pad) for years, until last Tuesday when we performed the HomeKit "upgrade" after installing iOS/MacOS/iPadOS/tvOS 16.2…
nsayer
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Ikea Tradfri: Need to hit each remote twice

I've been using an Ikea Tradfri setup in my apartment for about a year. I've got lights, remotes, shortcuts buttons, outlets, blinds, a gateway and an extender. It's been working mostly smoothly. A week ago something weird started happening. When I…
Ram Rachum
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Why can't I update my Ember mug's firmware?

My Ember mug has a firmware update available, but when I try to update it the process fails at 50% during a reconnection step. How do I make sure the update is able to finish?
Isaac Corbrey
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Searching local MQTT server on Local network

I have a micro-controller,ESP8266 for the moment, which is connecting to a mqtt broker and pulish some messages. I have configured mqtt broker on raspberry pi which has an IP address 192.168.43.164. so for now I have hard coded the mqtt broker IP in…
Abhishek bhatia
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How to make a MQTT Broker and a REST API communicate?

I'm still very new to IoT and IoT protocols, so pardon my ignorance. I'm trying to go about creating a home automation system to control lights, read room temperatures etc. The user should be able to interact with the IoT devices via a mobile client…
sandmann
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LoRaWAN collision and demodulation

In what scenario is it possible that collision happens between two packets. And if a collision happens, is it possible to demodulate? How? Regarding here it says there are two types of interference. Intra and internetwork for unlicensed networks. I…
m0ss
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What steps/equipment is needed to control a fan?

I currently have a standard home fan in my bedroom, it's controlled with one light switch (on/off switch) and two pulleys on the fan unit itself. One pulley for the fan and one pulley for the light. What equipment can I use to integrate it into a…
eww
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What would a "fog node" consist of in OpenFog?

The OpenFog Consortium, a group that is working on an open fog computing specification, has published a white paper about their architecture. They define a fog node as: The physical and logical network element that implements fog computing …
Aurora0001
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MQTT JSON format for process automation industry?

W.r.t. formatting the payload content of MQTT messages one usually sticks to standards. In case the AWS IoT platform is used the format of the payload content is not pre-defined. There's just a best practice design guide. However usually one sticks…
thinwybk
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How delayed can IFTTT triggers be?

I've been using IFTTT for various tasks, and it works relatively well, but for the triggers I've been using (RSS feed updates) the update time is quite slow (up to 15 minutes of delay after the feed is updated. For high-frequency feeds, 15 minutes…
Aurora0001
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How to provisioning tens of thousands of IOT devices to connect to MQTT Server?

I am working on a project where I have a sensor connected to a WIFI module. Whenever the sensor is triggered, it will send a message to the cloud via MQTT. Eventually I tens of thousands of these devices deployed everywhere. These sensors will…
Kian
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Connect raspberry pi with 4G

I have a robot (use raspberry pi 3) outside my home (no internet connection there) and I'm with my laptop at home and I want to see the graphical environment (with all applications it has) of raspberry pi. How can I do this? I'm thinking to get…
Nick_Gkoutzas
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3 answers

Wi-Fi smart plugs with no hub or internet access?

Are there any smart plugs out there that connect over Wi-Fi, don't require a hub, and don't use the cloud/don't require an internet connection? The idea is that I should be able to somehow turn them on or off from another trusted machine on the same…
user541686
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PZEM-004 cheaper alternatives

I am an programmer, trying to monitor consumption remotely, I need some form of communication via cable to transmit (even if I trasmit it WIFi later), PZEM-004 for me is very expensive, and I don't need to calculate more than 50A. Other options? By…
Josué Borges
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Encrypting sensor data on Raspberry Pi?

I am sending sensor data between two Raspberry Pis via lora. I am using two Lora Radios and NOT using a LoraWan network like The Things Network. How should I encrypt my data? Are there any open source python libraries? Thank you!!
Tuomas Talvitie
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